Based on numerical simulation method to analyze stress distribution of coal-pillar of both sides of filling roadway and to remove 'mutual influence of multi hole' caused by driving .
该项技术运用开采沉陷理论预计地表允许沉陷范围内充填区域矸石充填压实后残余空间的最大高度,确定矸石充填巷的布置;基于数值模拟方法分析了充填巷两侧煤柱应力分布、消除充填巷开掘时的“多洞效应”问题,优化矸石充填巷掘进顺序;设计了矸石充填工艺。
Numerical simulation study on the multi-tunnel effect during excavation of the subway in Guanghua Road Station of Beijing metro line 10;
北京地铁十号线光华路站开挖群洞效应的数值模拟研究
Then,the influence of wall effects on the ventilated cavitation number was investigated in a numerical water tunnel.
然后,采用Mixture多相流模型分析了圆形截面闭式空泡水洞中洞壁效应对通气空化数的影响;考察了带尾部燃气射流的水下航行体自然空泡流动问题。